APPENDIX. 477 



Red-backed Salamander. Plethodon erythronotus. 



Red Triton. Spelerpes ruler. 



Purple Salamander. G-yrinophilus porphyriticus. 



Tiger-Triton. Amblystoma tigrinum. 



There are other salamanders found in Mercer County, I am con- 

 fident, but only the above have I been able positively to identify. 

 Of the latter species, I have seen but the one specimen. 



Hellbender. Menopoma Alleghaniense. 



Accidental. Believed to have escaped from a traveling " show." 



FISHES. 



Hog-Fish, Sand-Perch. Percina caprodes. 

 Darter. JBoleosoma Olmstedi. 

 Crimson Darter. P&cilichthys erochrous. 

 Darter. Pcecilichthysfusiforme. 



Yellow Perch. Percaflavescens. 

 Rook-Fish. Roccus lineatus. 

 "White Perch. Roccus Americanus. 

 Mud Sunfish. Acantharcus pomotis. 

 River Sunfish. Lepomis auritus. 



Blue Sunfish. Lepomis pallidua. 



Rare. Single specimens, now and then, have been found in the 

 Delaware. 



Sunny. Lepomis gibbosus. 



Banded Sunfish. Mesogonistius choetodon. 



Spotted Sunfish. Enneacanthus simulans. 



Spotted Sunfish. Enneacanthus olesus. 



The first mentioned of these " spotted " sunfish is extremely 

 abundant, but the other is uncommon. Very probably they are 

 not distinct. 



